Hydrogen peroxide formulations in barrier layer films with a metallized layer

Abstract

The present invention concerns a cosmetic product for modifying the natural color of keratinous fibers, in particular human hair, which contains at least one packaging (VP) and a cosmetic composition (KM) contained in this packaging (VP). The packaging is made of a multi-layer film (F) comprising at least two polymer layers (P1) and (P2) and at least one barrier layer (BS). The cosmetic composition comprises at least one oxidizing agent, at least one C 8 -C 30 alcohol and at least one non-ionic surfactant. The use of the packaging (VP) in combination with the cosmetic composition (KM) surprisingly does not lead to an inflation of the packaging or an excessive water loss of the agent (KM) during storage.

The invention claimed is: 
     
       1. A cosmetic product for modifying the natural color of keratinous fibers, comprising
 (i) at least one packaging comprising at least one multi-layer film comprising at least one first polymer layer, at least one second polymer layer and at least one barrier layer, and 
 (ii) at least one cosmetic composition which is packaged in the packaging and comprises:
 a) at least one oxidizing compound, 
 b) at least one C 8 -C 30  alcohol, and 
 c) at least one non-ionic surfactant, 
 wherein the first polymer layer is formed of polyethylene terephthalate or polyethylene naphthalate, the second polymer layer is formed of a polyolefin. 
 
 
     
     
       2. The cosmetic product according to  claim 1 , wherein the first polymer layer has a layer thickness of from about 4 μm to about 50 μm, the second polymer layer has a layer thickness of from about 20 μm to about 150 μm, and/or the layer thickness of the barrier layer is from about 4 μm to about 20 μm. 
     
     
       3. The cosmetic product according to  claim 1 , wherein the multi-layer film has an oxygen transmission rate at 23° C. and 50% relative humidity of from about 0.1 to about 5 cc/m 2 /d/bar, and a water vapor permeability at 38° C. and 100% relative humidity of from about 0.1 to about 5 g/m 2 d. 
     
     
       4. The cosmetic product according to  claim 1 , wherein the multi-layer film has an adhesive strength of from about 0.1 to about 10 N/15 mm, and/or wherein the packaging has a seal strength of from about 10 to about 40 N/15 mm, under the conditions 150° C., 2.54 cm (1″) and 4 kg/cm 2 . 
     
     
       5. The cosmetic product according to  claim 1 , wherein the at least one multi-layer film comprises the at least one barrier layer between the at least one first polymeric layer and the at least one second polymeric layer. 
     
     
       6. The cosmetic product according to  claim 1 , wherein the first polymeric layer forms the outer layer. 
     
     
       7. The cosmetic product according to  claim 1 , wherein the cosmetic composition has a pH value (measured at 20° C.) of from about pH 1.5 to about pH 5. 
     
     
       8. The cosmetic product according to  claim 1 , wherein the cosmetic composition comprises at least one oxidizing compound in a total amount of from about 0.5 to about 20% by weight, relative to the total weight of the cosmetic composition. 
     
     
       9. The cosmetic product according to  claim 1 , wherein the cosmetic composition comprises the at least one non-ionic surfactant in a total amount of from about 0.1 to about 5% by weight, relative to the total weight of the cosmetic composition. 
     
     
       10. The cosmetic product according to  claim 1 , wherein the C 8 -C 30  alcohol is a mixture of linear C 16 -C 18  alcohols included in the cosmetic composition in a total amount of from about 0.1 to about 10% by weight, relative to the total weight of the cosmetic composition. 
     
     
       11. The cosmetic product according to  claim 1 , wherein the first polymer layer has a layer thickness of from about 6 μm to about 20 μm, the second polymer layer has a layer thickness of from about 40 μm to about 90 μm, and the layer thickness of the barrier layer is from about 6 μm to about 15 μm. 
     
     
       12. The cosmetic product according to  claim 1 , wherein the multi-layer film has an oxygen transmission rate at 23° C. and 50% relative humidity of from about 0.5 to about 2.5 cc/m 2 /d/bar, and a water vapor permeability at 38° C. and 100% relative humidity of from about 0.5 to about 2.55 g/m 2 d. 
     
     
       13. The cosmetic product according to  claim 1 , wherein the multi-layer film has an adhesive strength of from about 0.15 to about 5 N/15 mm, and wherein the packaging has a seal strength of from about 20 to about 30 N/15 mm, under the conditions 150° C., 2.54 cm (1″) and 4 kg/cm 2 . 
     
     
       14. The cosmetic product according to  claim 1 , wherein:
 the first polymer layer has a layer thickness of from about 6 μm to about 20 μm, the second polymer layer has a layer thickness of from about 40 μm to about 90 μm, and the layer thickness of the barrier layer is from about 6 μm to about 15 μm; 
 the multi-layer film has an oxygen transmission rate at 23° C. and 50% relative humidity of from about 0.5 to about 2.5 cc/m 2 /d/bar, and a water vapor permeability at 38° C. and 100% relative humidity of from about 0.5 to about 2.55 g/m 2 d; and 
 the multi-layer film has an adhesive strength of from about 0.15 to about 5 N/15 mm, and wherein the packaging has a seal strength of from about 20 to about 30 N/15 mm, under the conditions 150° C., 2.54 cm (1″) and 4 kg/cm 2 . 
 
     
     
       15. The cosmetic product according to  claim 1 , wherein the cosmetic composition has a pH value (measured at 20° C.) of from about pH 2.5 to about pH 4. 
     
     
       16. The cosmetic product according to  claim 1 , wherein the cosmetic composition comprises:
 hydrogen peroxide in a total amount of from about 1.5 to about 15% by weight, relative to the total weight of the cosmetic composition; 
 the at least one non-ionic surfactant in a total amount of from about 0.5 to about 3.5% by weight, relative to the total weight of the cosmetic composition; 
 the C 8 -C 30  alcohol in a total amount of from about 1.5 to about 5.0%, relative to the total weight of the cosmetic composition, wherein the C 8 -C 30  alcohol is a mixture of linear C 16 -C 18  alcohols. 
 
     
     
       17. The cosmetic product according to  claim 1 , wherein:
 the first polymer layer has a layer thickness of from about 6 μm to about 20 μm, the second polymer layer has a layer thickness of from about 40 μm to about 90 μm, and the layer thickness of the barrier layer is from about 6 μm to about 15 μm; 
 the multi-layer film has an oxygen transmission rate at 23° C. and 50% relative humidity of from about 0.5 to about 2.5 cc/m 2 /d/bar, and a water vapor permeability at 38° C. and 100% relative humidity of from about 0.5 to about 2.55 g/m 2 d; 
 the multi-layer film has an adhesive strength of from about 0.15 to about 5 N/15 mm, and wherein the packaging has a seal strength of from about 20 to about 30 N/15 mm, under the conditions 150° C., 2.54 cm (1″) and 4 kg/cm 2 ; and 
 the cosmetic composition has a pH value (measured at 20° C.) of from about pH 2.5 to about pH 4. 
 
     
     
       18. The cosmetic product according to  claim 1 , wherein:
 the first polymer layer has a layer thickness of from about 6 μm to about 20 μm, the second polymer layer has a layer thickness of from about 40 μm to about 90 μm, and the layer thickness of the barrier layer is from about 6 μm to about 15 μm; 
 the multi-layer film has an oxygen transmission rate at 23° C. and 50% relative humidity of from about 0.5 to about 2.5 cc/m 2 /d/bar, and a water vapor permeability at 38° C. and 100% relative humidity of from about 0.5 to about 2.55 g/m 2 d; and 
 the multi-layer film has an adhesive strength of from about 0.15 to about 5 N/15 mm, and wherein the packaging has a seal strength of from about 20 to about 30 N/15 mm, under the conditions 150° C., 2.54 cm (1″) and 4 kg/cm 2 ; and 
 the cosmetic composition comprises:
 hydrogen peroxide in a total amount of from about 1.5 to about 15% by weight, relative to the total weight of the cosmetic composition; 
 the at least one non-ionic surfactant in a total amount of from about 0.5 to about 3.5% by weight, relative to the total weight of the cosmetic composition; 
 the C 8 -C 30  alcohol in a total amount of from about 1.5 to about 5.0%, relative to the total weight of the cosmetic composition, wherein the C 8 -C 30  alcohol is a mixture of linear C 16 -C 18  alcohols. 
 
 
     
     
       19. The cosmetic product according to  claim 1 , wherein:
 the first polymer layer has a layer thickness of from about 6 μm to about 20 μm, the second polymer layer has a layer thickness of from about 40 μm to about 90 μm, and the layer thickness of the barrier layer is from about 6 μm to about 15 μm; 
 the multi-layer film has an oxygen transmission rate at 23° C. and 50% relative humidity of from about 0.5 to about 2.5 cc/m 2 /d/bar, and a water vapor permeability at 38° C. and 100% relative humidity of from about 0.5 to about 2.55 g/m 2 d; and 
 the multi-layer film has an adhesive strength of from about 0.15 to about 5 N/15 mm, and wherein the packaging has a seal strength of from about 20 to about 30 N/15 mm, under the conditions 150° C., 2.54 cm (1″) and 4 kg/cm 2 ; 
 the cosmetic composition has a pH value (measured at 20° C.) of from about pH 2.5 to about pH 4; and 
 the cosmetic composition comprises:
 hydrogen peroxide in a total amount of from about 1.5 to about 15% by weight, relative to the total weight of the cosmetic composition; 
 the at least one non-ionic surfactant in a total amount of from about 0.5 to about 3.5% by weight, relative to the total weight of the cosmetic composition.